202422497 has 2 divisors, whose sum is σ = 202422498. Its totient is φ = 202422496.

The previous prime is 202422487. The next prime is 202422533. The reversal of 202422497 is 794224202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155650576 + 46771921 = 12476^2 + 6839^2 .

It is a cyclic number.

It is not a de Polignac number, because 202422497 - 2¹² = 202418401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202422427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101211248 + 101211249.

It is an arithmetic number, because the mean of its divisors is an integer number (101211249).

Almost surely, 2^202422497 is an apocalyptic number.

It is an amenable number.

202422497 is a deficient number, since it is larger than the sum of its proper divisors (1).

202422497 is an equidigital number, since it uses as much as digits as its factorization.

202422497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 202422497 is about 14227.5260323079. The cubic root of 202422497 is about 587.1552195818.

Adding to 202422497 its reverse (794224202), we get a palindrome (996646699).

The spelling of 202422497 in words is "two hundred two million, four hundred twenty-two thousand, four hundred ninety-seven".